25419380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5857}}^1$

素因数の和:5904

約数の個数: 48

約数和(自身を含む): 62985216

約数和(自身を除く): 37565836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 5857, 11714, 23428, 29285, 40999, 58570, 81998, 117140, 163996, 181567, 204995, 363134, 409990, 726268, 819980, 907835, 1270969, 1815670, 2541938, 3631340, 5083876, 6354845, 12709690, 25419380]

約数ペア:

[(1, 25419380), (2, 12709690), (4, 6354845), (5, 5083876), (7, 3631340), (10, 2541938), (14, 1815670), (20, 1270969), (28, 907835), (31, 819980), (35, 726268), (62, 409990), (70, 363134), (124, 204995), (140, 181567), (155, 163996), (217, 117140), (310, 81998), (434, 58570), (620, 40999), (868, 29285), (1085, 23428), (2170, 11714), (4340, 5857)]